Let me introduce you to my game Orbitation. Game was made with box2d and Haxe.
If you like someahat hardcore oldschool ragdoll play, and you are endure enough to fight the real physics you gonna like it.

You can vary parameters of particles motion. Each of particles have individual set of values.
The are attached to swarm along it’s size, thats why we have always double slider to controll the parameter (min and max).